Maybe will change 15w40 for next oil change.But supricing me is I top up with 5w40 FS oil(left over 10w40 oil been finish top up),gear change become more smooth....In that case stick to SS 10w-40. Tesco also have sales on SS 10w-40....
---------- Post added at 04:22 PM ---------- 6 hour anti-bump limit - Previous post was at 04:19 PM ----------
What is compression test?How to do it and how to know is that valve seal harden?for high mileage engine...try do compression test (check) to see if the valve seal harden and consume engine oil...
if all good...just use 20-50 or 15-50 oil.... sometimes cheap basic oil work better... (this is the part where people says that old engine cant use full syn/semi syn oil)
Maybe will change 15w40 for next oil change see how the result....
---------- Post added at 04:24 PM ---------- 6 hour anti-bump limit - Previous post was at 04:22 PM ----------
I have clean -ve and +ve battery terminal but did not change new one and problem still remain.Been ask some mechanic and most of them said is starter problem and need around 200++ for the starter....Hi..
No 6 try check your +ve battery terminal.Last time that the culprit to my car. Stock terminal made from tin and wear and tear make it less grip. Solve my problem after change it. Bought from spare part lest than Rm10. Off course no same as stock, but it work.